Title:Biología de Gonatopus bonaerensis (Hymenoptera: Drynidae), enemigo natural de Delphacidae (Hemiptera) en Argentina / Biology of Gonatopus bonaerensis (Hymenoptera: Dryinidae), natural enemy of Delphacidae (Hemiptera) in Argentina
Title:Studies on the immature stages of the planthopper Lepidelphax pistiae (Hemiptera: Delphacidae), a potential biocontrol agent for the aquatic weed Pistia stratiotes (Araceae) from Argentina